THORLABS OSA203 REPAIR and THORLABS OSA203 CALIBRATION

 
Custom-Cal has a high success rate in the repair of the THORLABS OSA203. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the THORLABS OSA203 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   THORLABS OSA203   Description / Specification:    
THORLABS OSA203 1000 to 2500 nm  Optical Spectrum Analyzer

The Thorlabs OSA203 Optical Spectrum Analyzer is a general-purpose instrument that measures optical power as a function of wavelength. It is a Fourier Transform Optical Spectrum Analyzer (FT-OSA), which utilizes a scanning Michelson Interferometer in a push/pull configuration. This approach allows for the design of a full-featured OSA with the additional benefit of a high precision Wavelength Meter.
Specifications.

Wavelength Range: 1000 - 2500 nm.
Spectral Resolution: 60 pm (0.25 cm, 7.5 GHz), Broadband FT-OSA Mode.
Wavelength Meter Resolution: 0.2pm, Wavelength Meter Mode Linewidth < 4 GHz.
Display Resolution: System Controlled with User Override, max 0.01 ppm.
Spectral Accuracy: ±4 pm, Broadband FT-OSA Mode.
Wavelength Meter Accuracy: ±2 pm, Wavelength Meter Mode.
Spectral Precision: ±1 pm, Broadband FT-OSA Mode.
Wavelength Meter Precision: 0.2 pm, Wavelength Meter Mode.
Measurement Rate: 2 Hz.
Signal-to-Noise Ratio: >40 dB.
Level Sensitivity: -70 dB.
Input Power (Max): 10 dBm.



 



Related Optical Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Absolute Wavelength Accuracy
Absolute Wavelength Accuracy is the maximum difference between the actual wavelength and the displayed wavelength of the Optical Source. Wavelength is defined as wavelength in vacuum.

Decibel (dB)
A unit of measurement of optical power which indicates relative power. A -10 dB means a reduction in power by 10 times, -20 dB means another 10 times or 100 times overall, -30 means another 10 times or 1000 times overall and so on.

Nanometer (nm)
A unit of measure used to measure wavelength of light, meaning one one-billionth of a meter

Relative Intensity Noise (RIN)
Relative intensity noise (RIN), describes the instability in the power level of a laser. The noise term is important to describe lasers used in fiber-optic communication and LIDAR remote sensing. It is the square of the (spectrally resolved) RMS optical power amplitude divided by the measurement bandwidth and the square of the average optical power, expressed in dB/Hz.

Total Return loss
In an optical fiber, the loss that takes place at any discontinuity of refractive index, especially at an air-glass interface such as a fiber endface, at which a fraction of the optical signal is reflected back toward the source. RL = - 10log10 (Preflected/Preference)


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